package com.guigu.service.design;

import com.baomidou.mybatisplus.extension.service.IService;
import com.guigu.pojo.design.DLevelFirst;
import com.guigu.pojo.design.DLevelSecond;
import com.sun.media.sound.DLSInfo;

import java.util.ArrayList;

/**
 * <p>
 *  服务类
 * </p>
 *
 * @author Mr.Zhang
 * @since 2024-12-17
 */
public interface DLevelSecondService extends IService<DLevelSecond> {

    public ArrayList<DLevelSecond> selectLevelSecondByFirstId(String firstId);

    public ArrayList<DLevelSecond> selectLevelSecond();
    
    public Boolean insertSecond(DLevelSecond second);

    public DLevelSecond selectDLevelSecondOrderByDescOne();
}
